TY JOUR TI THE RESULTS OF THE SIGMOIDAL APPROXIMATION OF THE TEMPORAL DEPENDENCIES OF THE RELEVANT INDICATORS FURNITURE ENTERPRISES KW approximation KW furniture enterprises KW economic performance. JO Actual directions of scientific researches of the XXI century: theory and practice AU Batishchev, E.. AU Kirillova, S.. AU Bezrukov, B.. AU Bezrukova, T.L. AU Chugunova, E.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov